Hydrants shall be lubricated ______ to ensure that all stems, caps, plugs and threads are in proper operating condition.

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Multiple Choice

Hydrants shall be lubricated ______ to ensure that all stems, caps, plugs and threads are in proper operating condition.

Explanation:
Lubrication of hydrants is part of periodic maintenance to keep moving parts operating smoothly and to maintain proper seals. The stems, caps, plugs, and threads are exposed to moisture and contaminants, so they need lubrication but not every day, since hydrants aren’t exercised daily. Doing it annually aligns with routine annual service and testing, ensuring the hydrant will operate reliably in an emergency while avoiding the drawbacks of over-lubrication (which can attract dirt and debris). So the standard practice is to lubricate annually.

Lubrication of hydrants is part of periodic maintenance to keep moving parts operating smoothly and to maintain proper seals. The stems, caps, plugs, and threads are exposed to moisture and contaminants, so they need lubrication but not every day, since hydrants aren’t exercised daily. Doing it annually aligns with routine annual service and testing, ensuring the hydrant will operate reliably in an emergency while avoiding the drawbacks of over-lubrication (which can attract dirt and debris). So the standard practice is to lubricate annually.

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